Bug 1959083 [Linux] Remove SW dmabuf textures r=lsalzman

Differential Revision: https://phabricator.services.mozilla.com/D245541

gfx/layers/client/TextureClient.cpp

@@ -50,8 +50,6 @@
 #ifdef MOZ_WIDGET_GTK
 #  include <gtk/gtkx.h>
 #  include "gfxPlatformGtk.h"
-#  include "mozilla/layers/DMABUFTextureClientOGL.h"
-#  include "mozilla/widget/DMABufLibWrapper.h"
 #endif
 #ifdef MOZ_WAYLAND
 #  include "mozilla/widget/nsWaylandDisplay.h"
@@ -301,15 +299,6 @@ static TextureType ChooseTextureType(gfx::SurfaceFormat aFormat,
   }
 #endif
 
-#ifdef MOZ_WIDGET_GTK
-  if ((layersBackend == LayersBackend::LAYERS_WR &&
-       !aKnowsCompositor->UsingSoftwareWebRender()) &&
-      widget::DMABufDevice::IsDMABufTexturesEnabled() &&
-      aFormat != SurfaceFormat::A8) {
-    return TextureType::DMABUF;
-  }
-#endif
-
 #ifdef XP_MACOSX
   if (StaticPrefs::gfx_use_iosurface_textures_AtStartup() &&
       !aKnowsCompositor->UsingSoftwareWebRender()) {
@@ -345,11 +334,6 @@ TextureData* TextureData::Create(TextureType aTextureType,
       return D3D11TextureData::Create(aSize, aFormat, aAllocFlags);
 #endif
 
-#ifdef MOZ_WIDGET_GTK
-    case TextureType::DMABUF:
-      return DMABUFTextureData::Create(aSize, aFormat, aBackendType);
-#endif
-
 #ifdef XP_MACOSX
     case TextureType::MacIOSurface:
       return MacIOSurfaceTextureData::Create(aSize, aFormat, aBackendType);

modules/libpref/init/StaticPrefList.yaml

@@ -18418,13 +18418,6 @@
   value: false
   mirror: once
 
-# Use DMABuf for content textures.
-# For testing purposes only.
-- name: widget.dmabuf-textures.enabled
-  type: RelaxedAtomicBool
-  value: false
-  mirror: always
-
 # Get DMABuf format feedback from compositor.
 # For testing only
 - name: widget.dmabuf-feedback.enabled

widget/gtk/DMABufLibWrapper.cpp

@@ -226,14 +226,6 @@ void DMABufDevice::Configure() {
   LOGDMABUF(("DMABuf is enabled"));
 }
 
-#ifdef NIGHTLY_BUILD
-bool DMABufDevice::IsDMABufTexturesEnabled() {
-  return gfx::gfxVars::UseDMABuf() &&
-         StaticPrefs::widget_dmabuf_textures_enabled();
-}
-#else
-bool DMABufDevice::IsDMABufTexturesEnabled() { return false; }
-#endif
 bool DMABufDevice::IsDMABufWebGLEnabled() {
   LOGDMABUF(
       ("DMABufDevice::IsDMABufWebGLEnabled: UseDMABuf %d "

widget/gtk/DMABufLibWrapper.h

@@ -207,8 +207,6 @@ class DMABufDevice {
 
   bool IsEnabled(nsACString& aFailureId);
 
-  // Use dmabuf for WebRender general web content
-  static bool IsDMABufTexturesEnabled();
   // Use dmabuf for WebGL content
   static bool IsDMABufWebGLEnabled();
   static void DisableDMABufWebGL();